FSLY · Fastly, Inc.

$20.47 -0.25 (-1.21%) At close · Jul 20

Market Cap

$3.20B

156.50M

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

68/100

Short interest 16.2% of shares — P96 Days to cover 4.4 — P76 Price vs VWAP -2.2% — P46 Short-volume trend -4.4% — P35 Short interest change +35.8% — P84 Worst FTD 0.01% of shares — P38

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-06-30	25,354,952	18,671,252	+6,683,700	5,750,150	4.41
2026-06-15	18,671,252	19,665,563	-994,311	7,837,198	2.38
2026-05-29	19,665,563	21,261,305	-1,595,742	6,067,221	3.24
2026-05-15	21,261,305	18,942,162	+2,319,143	14,402,135	1.48
2026-04-30	18,942,162	19,606,464	-664,302	8,348,283	2.27
2026-04-15	19,606,464	18,354,032	+1,252,432	17,043,768	1.15
2026-03-31	18,354,032	17,844,166	+509,866	12,567,119	1.46
2026-03-13	17,844,166	16,042,418	+1,801,748	12,886,409	1.38
2026-02-27	16,042,418	17,089,599	-1,047,181	14,699,737	1.09
2026-02-13	17,089,599	13,901,854	+3,187,745	21,158,985	1.00
2026-01-30	13,901,854	14,553,610	-651,756	3,592,684	3.87
2026-01-15	14,553,610	12,710,597	+1,843,013	3,214,062	4.53
2025-12-31	12,710,597	12,519,104	+191,493	2,498,902	5.09
2025-12-15	12,519,104	9,445,148	+3,073,956	6,661,692	1.88
2025-11-28	9,445,148	9,984,826	-539,678	4,039,379	2.34
2025-11-14	9,984,826	10,683,654	-698,828	6,664,385	1.50
2025-10-31	10,683,654	10,404,710	+278,944	1,995,022	5.36
2025-10-15	10,404,710	11,078,342	-673,632	3,269,597	3.18
2025-09-30	11,078,342	8,928,850	+2,149,492	4,466,665	2.48
2025-09-15	8,928,850	8,802,477	+126,373	2,880,869	3.10
2025-08-29	8,802,477	9,494,603	-692,126	2,546,046	3.46
2025-08-15	9,494,603	9,730,611	-236,008	3,502,723	2.71
2025-07-31	9,730,611	9,151,286	+579,325	2,027,922	4.80

Showing 1–23 of 23 settlements

Key facts CIK 1517413 CUSIP 31188V100 13F (30d) 29 filings 29 filers Visit website Investor relations