SPY short interest

State Street SPDR S&P 500 ETF · Unclassified (ETFs, funds, other) · settlement date 2026-09-30

Shares short98,476,070
Change vs prior report-821,784 (-0.8%)
Change over six months-26.5%
Days to cover2.02 (sector: 0.98)
Average daily volume48,804,519
Rank in Unclassified (ETFs, funds, other)not ranked (OTC, fund or thinly traded)

SPY short interest, last 12 months

SettlementShares shortChangeDays to coverAvg daily volume
2026-09-3098,476,070-0.8%2.0248,804,519
2026-09-1599,297,854+21.5%2.4640,427,733
2026-08-3181,719,964-11.4%2.2436,546,310
2026-08-1492,190,734-2.3%2.1343,194,619
2026-07-3194,367,939-2.5%1.8451,300,058
2026-07-1596,827,747-11.8%2.1544,940,359
2026-06-30109,815,483+7.3%1.7164,365,168
2026-06-15102,343,601-4.7%1.6861,042,022
2026-05-29107,433,983-1.6%2.3445,870,028
2026-05-15109,192,514-8.8%2.2648,391,100
2026-04-30119,797,329-4.2%2.3950,213,680
2026-04-15125,003,596-6.7%1.9464,418,705
2026-03-31133,961,230+13.7%1.24108,330,959
2026-03-13117,848,132+15.1%1.2693,765,316
2026-02-27102,395,225-15.1%1.3476,590,500
2026-02-13120,648,942+10.2%1.3092,565,535
2026-01-30109,516,152+2.0%1.3183,540,222
2026-01-15107,394,148+6.5%1.4076,513,561
2025-12-31100,831,310-11.2%1.3176,747,824
2025-12-15113,484,446+1.7%1.5473,814,793
2025-11-28111,561,040-5.6%1.1596,831,436
2025-11-14118,178,899+8.7%1.4979,318,533
2025-10-31108,765,577+11.2%1.4276,522,628
2025-10-1597,853,277-14.3%1.2578,477,131
2025-09-30114,193,765+2.3%1.4180,850,698
import finzdata as yf
yf.Ticker("SPY").short_interest          # every report since 2017
yf.Client().short_interest(["SPY"], start="2018-01-01")

Unclassified (ETFs, funds, other) short interest · SPY price history · Who owns SPY · All short interest

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