What percent of COST is sold short?

47.7% of Costco (COST) trading volume was short last week. Track days-to-cover and borrow rate against insider and hedge fund flow.

Is COST a short squeeze candidate?

Compare short volume, days-to-cover, and borrow rate to insider buying — when insiders accumulate against heavy short interest, the squeeze setup gets stronger.

How is short volume different from short interest?

Short volume is daily shorting activity reported by FINRA; short interest is the bi-monthly snapshot of outstanding short positions. We track both for Costco (COST).

COST Short Volume Hit 47.7%

Also trades as: COST.TO (TSX) · $vol 3M · 0I47.L (LSE) · $vol 2M · COST.NE (NEO) · $vol 2M · CTO.DE (XETRA) · $vol 0M · COST.BA (BUE) · $vol 0M

$920.65

+5.71 (+0.62%)

Weekly Expected Move ±2.4%

$876 $898 $921 $943 $965

NASDAQ · Consumer Defensive · Discount Stores · Tech Score Neutral · Power 54 · $408.3B mcap · 441M float · 0.525% daily turnover · Short 46% of daily vol

Short Volume Summary

2026-10-01

46.4%

Short Ratio

of total volume

46.8%

20-Day Avg

43.3%

50-Day Avg

▼ Falling

5-Day Trend

0.4M

Short Volume

0.9M

Total Volume

Daily Short Volume Ratio

Short Volume vs Total Volume

Exchange Breakdown

2026-10-01

Exchange	Short Volume	Total Volume	Short %
NASDAQ	352,160	789,897	44.6%
NYSE	42,473	61,254	69.3%
BATS	1,188	2,301	51.6%

COST Short Interest

Short Volume Summary

Daily Short Volume Ratio

Short Volume vs Total Volume

Exchange Breakdown

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