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HowShorted

How shorted is Roblox Corporation? RBLX

#2,310most shorted US stockof 3,805 ranked stocks, more shorted than 39%

3.40%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.12
5 reports (~10 weeks)
−0.65
days to cover
2.54
Aggregate net short position time series for Roblox Corporation

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Aggregate net short position time series for Roblox Corporation days to cover

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filedSettlement beforeSettlement afterChange
30 Jul 20264.10% 15 Jul 20263.37% 31 Jul 2026−0.73
30 Apr 20262.75% 15 Apr 20263.52% 15 May 2026+0.77
5 Feb 20262.13% 30 Jan 20262.79% 13 Feb 2026+0.66
30 Oct 20252.41% 15 Oct 20252.43% 31 Oct 2025+0.02
31 Jul 20253.14% 15 Jul 20252.77% 15 Aug 2025−0.37
1 May 20252.08% 30 Apr 20252.53% 15 May 2025+0.45
6 Feb 20253.74% 31 Jan 20253.08% 14 Feb 2025−0.66
31 Oct 20244.94% 15 Oct 20243.85% 15 Nov 2024−1.09

Fails to deliver

The SEC's fails-to-deliver figure for RBLX: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
14
11 Sep 2026
Highest in window
520,302
9 Mar 2026
Days with a balance
67
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Roblox Corporation fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 520K shares.

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Sector: Technology

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20263.40%+0.12
31 Aug 20263.28%+1.34
14 Aug 20261.94%−1.43
31 Jul 20263.37%−0.73
15 Jul 20264.10%+0.05
30 Jun 20264.05%−0.18
15 Jun 20264.23%+0.88
29 May 20263.35%−0.17
15 May 20263.52%+0.63
30 Apr 20262.89%+0.14
15 Apr 20262.75%+0.14
31 Mar 20262.61%−0.16
13 Mar 20262.77%−0.20
27 Feb 20262.97%+0.18
13 Feb 20262.79%+0.66
30 Jan 20262.13%−0.17
15 Jan 20262.30%+0.16
31 Dec 20252.14%+0.16
15 Dec 20251.98%−0.16
28 Nov 20252.14%−0.05
14 Nov 20252.19%−0.24
31 Oct 20252.43%+0.02
15 Oct 20252.41%−0.18
30 Sep 20252.59%−0.25
15 Sep 20252.84%+0.27
29 Aug 20252.57%−0.20
15 Aug 20252.77%+0.16
31 Jul 20252.61%−0.53
15 Jul 20253.14%−0.34
30 Jun 20253.48%+0.29
13 Jun 20253.19%+0.73
30 May 20252.46%−0.07
15 May 20252.53%+0.45
30 Apr 20252.08%+0.09
15 Apr 20251.99%−0.17
31 Mar 20252.16%−0.27
14 Mar 20252.43%−0.26
28 Feb 20252.69%−0.39
14 Feb 20253.08%−0.66
31 Jan 20253.74%+0.49
15 Jan 20253.25%+0.01
31 Dec 20243.24%−0.59
13 Dec 20243.83%−0.43
29 Nov 20244.26%+0.41
15 Nov 20243.85%−0.26
31 Oct 20244.11%−0.83
15 Oct 20244.94%+0.13
30 Sep 20244.81%+1.33
13 Sep 20243.48%+0.08
30 Aug 20243.40%+0.25
15 Aug 20243.15%+0.51
31 Jul 20242.64%−0.18
15 Jul 20242.82%−0.09
28 Jun 20242.91%+0.26
14 Jun 20242.65%+0.18
31 May 20242.47%−0.43
15 May 20242.90%−0.14
30 Apr 20243.04%+0.04
15 Apr 20243.00%−0.11
28 Mar 20243.11%+0.39
15 Mar 20242.72%+0.24
29 Feb 20242.48%−0.39
15 Feb 20242.87%+0.13
31 Jan 20242.74%−0.40
12 Jan 20243.14%−0.07
29 Dec 20233.21%−0.33
15 Dec 20233.54%+0.43
30 Nov 20233.11%−0.03
15 Nov 20233.14%−0.08
31 Oct 20233.22%−0.14
13 Oct 20233.36%−0.33
29 Sep 20233.69%+0.77
15 Sep 20232.92%+0.16
31 Aug 20232.76%−0.67
15 Aug 20233.43%+0.88
31 Jul 20232.55%−0.52
14 Jul 20233.07%+0.06
30 Jun 20233.01%−0.18
15 Jun 20233.19%+0.14
31 May 20233.05%−0.23
15 May 20233.28%−0.20
28 Apr 20233.48%−0.74
14 Apr 20234.22%+0.17
31 Mar 20234.05%−0.07
15 Mar 20234.12%−0.47
28 Feb 20234.59%0.00
15 Feb 20234.59%−0.06
31 Jan 20234.65%−0.17
13 Jan 20234.82%+0.03
30 Dec 20224.79%−0.25
15 Dec 20225.04%+0.37
30 Nov 20224.67%+0.21
15 Nov 20224.46%−1.46
31 Oct 20225.92%−0.62
14 Oct 20226.54%+0.35
30 Sep 20226.19%+0.08
15 Sep 20226.11%+0.84
31 Aug 20225.27%−0.17
15 Aug 20225.44%−0.35
29 Jul 20225.79%+0.05
15 Jul 20225.74%−1.06
30 Jun 20226.80%−0.37
15 Jun 20227.17%+0.49
31 May 20226.68%+0.60
13 May 20226.08%+0.69
29 Apr 20225.39%+0.47
14 Apr 20224.92%+0.27
31 Mar 20224.65%−0.12
15 Mar 20224.77%+0.83
28 Feb 20223.94%+0.67
15 Feb 20223.27%0.00
31 Jan 20223.27%+0.23
14 Jan 20223.04%−0.03
31 Dec 20213.07%−0.07
15 Dec 20213.14%+0.81
30 Nov 20212.33%−0.57
15 Nov 20212.90%−0.72
29 Oct 20213.62%−0.37
15 Oct 20213.99%+0.55
30 Sep 20213.44%+0.12
15 Sep 20213.32%−0.13
31 Aug 20213.45%+0.02
13 Aug 20213.43%–

Newest first. Scroll inside the table for earlier dates, back to 13 Aug 2021.

Frequently asked questions

How shorted is Roblox Corporation right now?
3.40% of Roblox Corporation's (RBLX) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 2,310th most shorted US stock, out of 3,805 we rank.
What does this number include?
FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?
US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this RBLX's short float?
No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is RBLX's days to cover?
2.54 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.