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Alpha (finance)

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The passive strategy appeared to generate the market-beating return over periods of 10 years or more. This strategy may be risky for those who feel they might need to withdraw their money before a 10-year holding period, for example. Thus investment managers who employ a strategy that is less likely
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and similar investments. As these funds include various fees normally expressed in percent terms, the fund has to maintain an alpha greater than its fees in order to provide positive gains compared with an index fund. Historically, the vast majority of traditional funds have had negative alphas,
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In fact, to many investors, this phenomenon created a new standard of performance that must be matched: an investment manager should not only avoid losing money for the client and should make a certain amount of money, but in fact should make more money than the passive strategy of investing in
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Investors can use both alpha and beta to judge a manager's performance. If the manager has had a high alpha, but also a high beta, investors might not find that acceptable, because of the chance they might have to withdraw their money when the investment is doing poorly.
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Besides an investment manager simply making more money than a passive strategy, there is another issue: although the strategy of investing in every stock appeared to perform better than 75 percent of investment managers (see
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which approximately represent the 500 most widely held equities and the largest 5000 securities respectively, accounting for approximately 80%+ and 99%+ of the total market capitalization of the US market as a whole.
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everything equally (since this strategy appeared to be statistically more likely to be successful than the strategy of any one investment manager). The name for the additional return above the
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generation (i.e. better performance than the market) is impossible, and proponents of EMH posit that investors would benefit from investing in a low-cost,
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For instance, although a return of 20% may appear good, the investment can still have a negative alpha if it's involved in an excessively risky position.
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over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.
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to lose money in a particular year are often chosen by those investors who feel that they might need to withdraw their money sooner.
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It is also possible to analyze a portfolio of investments and calculate a theoretical performance, most commonly using the
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International Association of CPAs, Attorneys, and Management (IACAM) (Free Business Valuation E-Book Guidebook)
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up and down, and could be on a downward decline for many years before returning to its previous price.
404:{\displaystyle \mathrm {SCL} :R_{i,t}-R_{f}=\alpha _{i}+\beta _{i}\,(R_{M,t}-R_{f})+\varepsilon _{i,t}} 634: 564: 2231: 2082: 1994: 1830: 1812: 1730: 1701: 1621: 1386: 1370: 1333: 1215: 1158: 1126: 812: 754: 155: 2251: 2137: 1964: 1939: 1631: 1576: 1500: 1360: 1290: 1119: 1092: 836: 786: 599: 1480: 2162: 2107: 2019: 1671: 1646: 1606: 1591: 1510: 1449: 1407: 1151: 1061: 1051: 707: 519: 260: 256: 231: 174: 151: 1885: 1861: 1845: 1783: 1535: 1520: 1272: 883: 676: 213: 198: 2054: 1989: 1636: 1556: 1352: 1233: 1109: 1028: 984: 962: 547: 478: 445: 486: 453: 420: 100: 2193: 2097: 2087: 2035: 1959: 1954: 1890: 1875: 1711: 1706: 1641: 1616: 1551: 1525: 1505: 1464: 1459: 1454: 1439: 1434: 1322: 1248: 1136: 1023: 904: 731: 2092: 2072: 1840: 1793: 1666: 1661: 1561: 1546: 1307: 1302: 1267: 1066: 1033: 979: 971: 743: 699: 511: 162: 594:: the investment has earned too little for its risk (or, was too risky for the return) 192:
are widely available for purchase, alpha is commonly used to judge the performance of
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These concepts not only apply to investment managers, but to any kind of investment.
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In this context, because returns are being compared with the theoretical return of
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and not to a market index, it would be more accurate to use the term of
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Seeking Alpha - New York hedge fund creates value trading index options
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A belief in EMH spawned the creation of market capitalization weighted
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Risk-adjusted measure of the so-called active return on an investment
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reflect all information, therefore stocks always trade at their
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of the beta adjusted return of the market is called "Alpha".
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and is closely related to other important quantities such as
809:"Efficient Market Hypothesis (EMH): Definition and Critique" 637: 602: 567: 522: 489: 456: 423: 276: 234: 2186: 2120: 2028: 1982: 1973: 1932: 1899: 1854: 1821: 1769: 1760: 1473: 1348: 1247: 1167: 1075: 1042: 1003: 969: 67:. Unsourced material may be challenged and removed. 656: 621: 586: 538: 502: 469: 436: 403: 247: 827:"How Does an Efficient Market Affect Investors?" 1738: 947: 8: 753:), the price of the stock market as a whole 2222:Alternative investment management companies 2199:Standards Board for Alternative Investments 2247: 2103:Taxation of private equity and hedge funds 1979: 1766: 1745: 1731: 1723: 954: 940: 932: 642: 636: 607: 601: 572: 566: 527: 521: 494: 488: 461: 455: 428: 422: 389: 373: 354: 346: 340: 327: 314: 295: 277: 275: 239: 233: 220:Definition in capital asset pricing model 127:Learn how and when to remove this message 165:, is one of two key coefficients in the 154:. An alpha of 1% means the investment's 905:The financial-dictionary entry on alpha 777: 1803:fixed-income relative-value investing 7: 787:"5 Ways to Measure Mutual Fund Risk" 65:adding citations to reliable sources 201:to index funds and non-traditional 188:In modern financial markets, where 920:Alpha analysis for global equities 880:Investment Performance Measurement 284: 281: 278: 25: 2246: 2237: 2236: 2227: 2226: 2217: 2216: 1923: 1210:Electronic communication network 657:{\displaystyle \alpha _{i}>0} 587:{\displaystyle \alpha _{i}<0} 414:where the following inputs are: 41: 785:Banton, Caroline (2021-12-14). 52:needs additional citations for 379: 347: 1: 1204:Multilateral trading facility 910:Investopedia Alpha Definition 702:. This would mean consistent 622:{\displaystyle \alpha _{i}=0} 2077:security characteristic line 1627:Returns-based style analysis 1423:Post-modern portfolio theory 1329:Security characteristic line 835:. 2023-09-15. Archived from 265:security characteristic line 2065:Capital asset pricing model 1784:Capital structure arbitrage 1381:Efficient-market hypothesis 1285:Capital asset pricing model 1222:Straight-through processing 688:Efficient market hypothesis 554:It can be shown that in an 539:{\displaystyle \beta _{iM}} 248:{\displaystyle \alpha _{i}} 210:capital asset pricing model 167:capital asset pricing model 2304: 1867:Commodity trading advisors 1198:Alternative Trading System 915:Five Technical Risk Ratios 850:Hayes, Adam (2024-03-05). 741: 29: 2212: 2204:Managed Funds Association 2148:High-net-worth individual 1921: 882:. New York: Wiley, 2003. 2041:Arbitrage pricing theory 1262:Arbitrage pricing theory 255:) is a parameter in the 2153:Institutional investors 2046:Assets under management 1871:managed futures account 1541:Initial public offering 1402:Modern portfolio theory 1297:Dividend discount model 1180:List of stock exchanges 171:modern portfolio theory 2178:Sovereign wealth funds 1950:High-frequency trading 1799:Fixed income arbitrage 1429:Random walk hypothesis 658: 623: 588: 540: 504: 471: 438: 405: 249: 32:Alpha (disambiguation) 2283:Investment indicators 2020:Structured securities 1836:Distressed securities 1808:Statistical arbitrage 1794:Equity market neutral 1789:Convertible arbitrage 1567:Market capitalization 1376:Dollar cost averaging 683:Origin of the concept 659: 624: 589: 541: 505: 503:{\displaystyle R_{f}} 472: 470:{\displaystyle R_{M}} 439: 437:{\displaystyle R_{i}} 406: 250: 2288:Mathematical finance 2138:Financial endowments 2083:Fundamental analysis 1831:Shareholder activism 1813:Volatility arbitrage 1387:Fundamental analysis 1371:Contrarian investing 1334:Security market line 1239:Liquidity aggregator 1216:Direct market access 1127:Quantitative analyst 635: 600: 565: 520: 487: 454: 421: 274: 232: 156:return on investment 142:is a measure of the 76:"Alpha" finance 61:improve this article 30:For other uses, see 2252:List of hedge funds 2242:Hedge fund managers 2158:Insurance companies 2143:Fund of hedge funds 2051:Black–Scholes model 1965:Proprietary trading 1940:Algorithmic trading 1907:Fund of hedge funds 1632:Reverse stock split 1577:Market manipulation 1501:Dual-listed company 1361:Algorithmic trading 1291:Capital market line 1093:Inter-dealer broker 448:(on the portfolio), 197:which has led to a 2108:Technical analysis 1672:Stock market index 1511:Efficient frontier 1450:Technical analysis 1408:Momentum investing 1230:(private exchange) 1120:Proprietary trader 1062:Shares outstanding 1052:Authorised capital 922:Free alpha look-up 690:(EMH) states that 654: 619: 584: 536: 500: 467: 434: 401: 257:single-index model 245: 175:standard deviation 161:Alpha, along with 2260: 2259: 2116: 2115: 1919: 1918: 1886:Long/short equity 1862:Convergence trade 1846:Special situation 1720: 1719: 1521:Flight-to-quality 1273:Buffett indicator 963:Financial markets 878:Bruce J. Feibel. 550:of the portfolio. 259:(SIM). It is the 226:alpha coefficient 199:flight of capital 137: 136: 129: 111: 16:(Redirected from 2295: 2278:Financial ratios 2273:Finance theories 2250: 2249: 2240: 2239: 2230: 2229: 2220: 2219: 2163:Investment banks 2010:Foreign exchange 1980: 1927: 1767: 1747: 1740: 1733: 1724: 1637:Share repurchase 1349:Trading theories 1234:Crossing network 1192:Over-the-counter 1029:Restricted stock 985:Secondary market 956: 949: 942: 933: 926:Traders Magazine 866: 865: 860:. Archived from 847: 841: 840: 823: 817: 816: 811:. Archived from 804: 798: 797: 795: 794: 782: 738:Relation to beta 663: 661: 660: 655: 647: 646: 628: 626: 625: 620: 612: 611: 593: 591: 590: 585: 577: 576: 556:efficient market 545: 543: 542: 537: 535: 534: 509: 507: 506: 501: 499: 498: 476: 474: 473: 468: 466: 465: 443: 441: 440: 435: 433: 432: 410: 408: 407: 402: 400: 399: 378: 377: 365: 364: 345: 344: 332: 331: 319: 318: 306: 305: 287: 254: 252: 251: 246: 244: 243: 132: 125: 121: 118: 112: 110: 69: 45: 37: 21: 2303: 2302: 2298: 2297: 2296: 2294: 2293: 2292: 2263: 2262: 2261: 2256: 2208: 2194:Fund governance 2182: 2112: 2036:Absolute return 2024: 1975: 1969: 1960:Program trading 1955:Prime brokerage 1928: 1915: 1895: 1891:Trend following 1876:Dedicated short 1850: 1817: 1774: 1762: 1756: 1751: 1721: 1716: 1707:Voting interest 1617:Public offering 1552:Mandatory offer 1526:Government bond 1506:DuPont analysis 1469: 1465:Value investing 1460:Value averaging 1455:Trend following 1440:Style investing 1435:Sector rotation 1350: 1344: 1323:Net asset value 1249:Stock valuation 1243: 1163: 1071: 1038: 1024:Preferred stock 999: 965: 960: 896: 875: 873:Further reading 870: 869: 849: 848: 844: 825: 824: 820: 807:Downey, Lucas. 806: 805: 801: 792: 790: 784: 783: 779: 774: 746: 740: 732:expected return 685: 638: 633: 632: 603: 598: 597: 568: 563: 562: 523: 518: 517: 490: 485: 484: 457: 452: 451: 446:realized return 424: 419: 418: 385: 369: 350: 336: 323: 310: 291: 272: 271: 235: 230: 229: 222: 133: 122: 116: 113: 70: 68: 58: 46: 35: 28: 23: 22: 15: 12: 11: 5: 2301: 2299: 2291: 2290: 2285: 2280: 2275: 2265: 2264: 2258: 2257: 2255: 2254: 2244: 2234: 2224: 2213: 2210: 2209: 2207: 2206: 2201: 2196: 2190: 2188: 2184: 2183: 2181: 2180: 2175: 2170: 2168:Merchant banks 2165: 2160: 2155: 2150: 2145: 2140: 2135: 2133:Family offices 2130: 2124: 2122: 2118: 2117: 2114: 2113: 2111: 2110: 2105: 2100: 2095: 2093:Securitization 2090: 2085: 2080: 2062: 2048: 2043: 2038: 2032: 2030: 2026: 2025: 2023: 2022: 2017: 2012: 2007: 2002: 1997: 1992: 1986: 1984: 1977: 1971: 1970: 1968: 1967: 1962: 1957: 1952: 1947: 1942: 1936: 1934: 1930: 1929: 1922: 1920: 1917: 1916: 1914: 1913: 1903: 1901: 1897: 1896: 1894: 1893: 1888: 1883: 1878: 1873: 1864: 1858: 1856: 1852: 1851: 1849: 1848: 1843: 1841:Risk arbitrage 1838: 1833: 1827: 1825: 1819: 1818: 1816: 1815: 1810: 1805: 1796: 1791: 1786: 1780: 1778: 1776:relative value 1764: 1758: 1757: 1752: 1750: 1749: 1742: 1735: 1727: 1718: 1717: 1715: 1714: 1709: 1704: 1699: 1694: 1689: 1684: 1679: 1674: 1669: 1667:Stock exchange 1664: 1662:Stock dilution 1659: 1654: 1649: 1644: 1639: 1634: 1629: 1624: 1619: 1614: 1609: 1604: 1599: 1594: 1589: 1587:Mean reversion 1584: 1579: 1574: 1569: 1564: 1562:Market anomaly 1559: 1554: 1549: 1544: 1538: 1533: 1528: 1523: 1518: 1513: 1508: 1503: 1498: 1493: 1488: 1483: 1481:Bid–ask spread 1477: 1475: 1471: 1470: 1468: 1467: 1462: 1457: 1452: 1447: 1442: 1437: 1432: 1426: 1420: 1415: 1410: 1405: 1399: 1394: 1389: 1384: 1378: 1373: 1368: 1363: 1357: 1355: 1346: 1345: 1343: 1342: 1337: 1331: 1326: 1320: 1315: 1310: 1308:Earnings yield 1305: 1303:Dividend yield 1300: 1294: 1288: 1282: 1276: 1270: 1265: 1259: 1253: 1251: 1245: 1244: 1242: 1241: 1236: 1231: 1225: 1219: 1213: 1207: 1201: 1195: 1194:(off-exchange) 1189: 1188: 1187: 1182: 1171: 1169: 1168:Trading venues 1165: 1164: 1162: 1161: 1156: 1155: 1154: 1144: 1139: 1134: 1129: 1124: 1123: 1122: 1117: 1107: 1102: 1097: 1096: 1095: 1090: 1079: 1077: 1073: 1072: 1070: 1069: 1067:Treasury stock 1064: 1059: 1054: 1048: 1046: 1040: 1039: 1037: 1036: 1034:Tracking stock 1031: 1026: 1021: 1016: 1010: 1008: 1001: 1000: 998: 997: 992: 987: 982: 980:Primary market 976: 974: 967: 966: 961: 959: 958: 951: 944: 936: 930: 929: 923: 917: 912: 907: 902: 895: 894:External links 892: 891: 890: 874: 871: 868: 867: 864:on 2024-05-10. 842: 839:on 2024-01-01. 818: 815:on 2024-05-13. 799: 789:. Investopedia 776: 775: 773: 770: 744:Beta (finance) 742:Main article: 739: 736: 684: 681: 677:Jensen's alpha 666: 665: 653: 650: 645: 641: 630: 618: 615: 610: 606: 595: 583: 580: 575: 571: 552: 551: 533: 530: 526: 515: 514:of return, and 512:risk-free rate 497: 493: 482: 464: 460: 449: 431: 427: 412: 411: 398: 395: 392: 388: 384: 381: 376: 372: 368: 363: 360: 357: 353: 349: 343: 339: 335: 330: 326: 322: 317: 313: 309: 304: 301: 298: 294: 290: 286: 283: 280: 242: 238: 221: 218: 214:Jensen's alpha 135: 134: 49: 47: 40: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2300: 2289: 2286: 2284: 2281: 2279: 2276: 2274: 2271: 2270: 2268: 2253: 2245: 2243: 2235: 2233: 2225: 2223: 2215: 2214: 2211: 2205: 2202: 2200: 2197: 2195: 2192: 2191: 2189: 2185: 2179: 2176: 2174: 2173:Pension funds 2171: 2169: 2166: 2164: 2161: 2159: 2156: 2154: 2151: 2149: 2146: 2144: 2141: 2139: 2136: 2134: 2131: 2129: 2128:Vulture funds 2126: 2125: 2123: 2119: 2109: 2106: 2104: 2101: 2099: 2096: 2094: 2091: 2089: 2086: 2084: 2081: 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723:Wilshire 5000 720: 716: 711: 709: 705: 701: 697: 693: 689: 682: 680: 678: 674: 669: 651: 648: 643: 639: 631: 616: 613: 608: 604: 596: 581: 578: 573: 569: 561: 560: 559: 557: 549: 531: 528: 524: 516: 513: 495: 491: 483: 480: 479:market return 462: 458: 450: 447: 429: 425: 417: 416: 415: 396: 393: 390: 386: 382: 374: 370: 366: 361: 358: 355: 351: 341: 337: 333: 328: 324: 320: 315: 311: 307: 302: 299: 296: 292: 288: 270: 269: 268: 266: 262: 258: 240: 236: 227: 219: 217: 215: 211: 206: 204: 200: 195: 191: 186: 184: 180: 176: 172: 168: 164: 159: 157: 153: 149: 145: 144:active return 141: 131: 128: 120: 109: 106: 102: 99: 95: 92: 88: 85: 81: 78: â€“  77: 73: 72:Find sources: 66: 62: 56: 55: 50:This article 48: 44: 39: 38: 33: 19: 18:Excess return 2068: 2005:Fixed income 1881:Global macro 1823:Event-driven 1692:Tender offer 1612:Public float 1582:Market trend 1572:Market depth 1392:Growth stock 1366:Buy and hold 1275:(Cap-to-GDP) 1256: 1115:Floor trader 1105:Market maker 1088:Floor broker 1076:Participants 1019:Golden share 1014:Common stock 990:Third market 879: 862:the original 857:Investopedia 855: 845: 837:the original 832:Investopedia 830: 821: 813:the original 802: 791:. Retrieved 780: 767: 763: 759: 747: 728: 712: 703: 692:share prices 686: 670: 667: 553: 413: 225: 223: 207: 194:mutual funds 187: 183:Sharpe ratio 160: 152:market index 139: 138: 123: 114: 104: 97: 90: 83: 71: 59:Please help 54:verification 51: 2232:Hedge funds 1995:Derivatives 1990:Commodities 1945:Day trading 1855:Directional 1754:Hedge funds 1697:Uptick rule 1677:Stock split 1657:Squeeze-out 1652:Speculation 1597:Open outcry 1486:Block trade 1418:Pairs trade 719:S&P 500 715:index funds 710:portfolio. 203:hedge funds 190:index funds 2267:Categories 2187:Governance 1761:Investment 1702:Volatility 1682:Stock swap 1602:Order book 1353:strategies 1279:Book value 1147:Arbitrager 1142:Speculator 793:2024-02-15 772:References 755:fluctuates 751:index fund 696:fair value 148:investment 117:March 2016 87:newspapers 2121:Investors 1771:Arbitrage 1318:Fed model 1313:EV/EBITDA 1228:Dark pool 1159:Regulator 1004:Types of 970:Types of 700:exchanges 640:α 605:α 570:α 525:β 387:ε 367:− 338:β 325:α 308:− 261:intercept 237:α 179:R-squared 1763:strategy 1647:Slippage 1607:Position 1592:Momentum 1496:Dividend 1175:Exchange 1132:Investor 721:and the 181:and the 169:used in 1983:Markets 1974:Related 1933:Trading 1536:Haircut 1340:T-model 1152:Scalper 972:markets 708:passive 263:of the 101:scholar 2055:Greeks 2000:Equity 1557:Margin 1425:(PMPT) 1287:(CAPM) 1137:Hedger 1110:Trader 1083:Broker 1006:stocks 886:  546:: the 510:: the 477:: the 444:: the 146:on an 103:  96:  89:  82:  74:  2098:Short 2088:Hedge 2069:alpha 1976:terms 1900:Other 1712:Yield 1687:Trade 1622:Rally 1543:(IPO) 1431:(RMH) 1404:(MPT) 1383:(EMH) 1336:(SML) 1325:(NAV) 1299:(DDM) 1293:(CML) 1264:(APT) 1257:Alpha 1224:(STP) 1218:(DMA) 1212:(ECN) 1206:(MTF) 1200:(ATS) 704:alpha 140:Alpha 108:JSTOR 94:books 2073:beta 2029:Misc 1547:Long 1351:and 1281:(BV) 1268:Beta 884:ISBN 673:CAPM 649:> 579:< 548:beta 224:The 163:beta 80:news 698:on 63:by 2269:: 2075:/ 2071:/ 2057:: 1909:/ 1869:/ 1801:/ 854:. 829:. 679:. 205:. 185:. 177:, 2079:) 2067:( 2061:) 2053:( 1773:/ 1746:e 1739:t 1732:v 955:e 948:t 941:v 796:. 652:0 644:i 617:0 614:= 609:i 582:0 574:i 532:M 529:i 496:f 492:R 481:, 463:M 459:R 430:i 426:R 397:t 394:, 391:i 383:+ 380:) 375:f 371:R 362:t 359:, 356:M 352:R 348:( 342:i 334:+ 329:i 321:= 316:f 312:R 303:t 300:, 297:i 293:R 289:: 285:L 282:C 279:S 241:i 228:( 130:) 124:( 119:) 115:( 105:· 98:· 91:· 84:· 57:. 34:. 20:)

Index

Excess return
Alpha (disambiguation)

verification
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"Alpha" finance
news
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scholar
JSTOR
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active return
investment
market index
return on investment
beta
capital asset pricing model
modern portfolio theory
standard deviation
R-squared
Sharpe ratio
index funds
mutual funds
flight of capital
hedge funds
capital asset pricing model
Jensen's alpha
single-index model

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