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Roblox Corp

RBLX
Exchange
NYSE
Industry
Services-Prepackaged Software
SEC CIK
0001315098

In the last 90 days, Roblox Corp insiders filed 0 open-market purchases and 15 sales; 797 institutions reported holding it in 13F filings for Q2 2026, worth $31.0B in total; superinvestors ARK Invest and ValueAct Capital hold it.

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
17.7M
Shares, settlement Oct 30, 2026
Change
−8.09M
−31.4% vs. Oct 15, 2026
Days to cover
1.76
Short interest ÷ average daily volume
Average daily volume
10.0M
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 26,973,000 sharesNov 15, 2024: 25,252,024 sharesNov 29, 2024: 27,958,228 sharesDec 13, 2024: 25,109,371 sharesDec 31, 2024: 21,291,598 sharesJan 15, 2025: 21,348,128 sharesJan 31, 2025: 24,561,385 sharesFeb 14, 2025: 20,575,951 sharesFeb 28, 2025: 17,935,318 sharesMar 14, 2025: 16,213,699 sharesMar 31, 2025: 14,423,433 sharesApr 15, 2025: 13,501,101 sharesApr 30, 2025: 14,122,787 sharesMay 15, 2025: 17,152,039 sharesMay 30, 2025: 16,696,737 sharesJun 13, 2025: 21,603,761 sharesJun 30, 2025: 23,606,248 sharesJul 15, 2025: 21,785,683 sharesJul 31, 2025: 18,096,876 sharesAug 15, 2025: 19,181,251 sharesAug 29, 2025: 17,820,345 sharesSep 15, 2025: 19,671,816 sharesSep 30, 2025: 17,938,148 sharesOct 15, 2025: 16,906,354 sharesOct 31, 2025: 17,085,978 sharesNov 14, 2025: 15,362,698 sharesNov 28, 2025: 15,032,228 sharesDec 15, 2025: 13,921,534 sharesDec 31, 2025: 15,025,293 sharesJan 15, 2026: 16,148,913 sharesJan 30, 2026: 15,089,826 sharesFeb 13, 2026: 19,769,459 sharesFeb 27, 2026: 21,028,199 sharesMar 13, 2026: 19,662,904 sharesMar 31, 2026: 18,523,414 sharesApr 15, 2026: 19,665,133 sharesApr 30, 2026: 20,725,433 sharesMay 15, 2026: 25,189,591 sharesMay 29, 2026: 23,966,132 sharesJun 15, 2026: 30,268,739 sharesJun 30, 2026: 28,990,061 sharesJul 15, 2026: 29,317,704 sharesJul 31, 2026: 24,107,149 sharesAug 14, 2026: 13,884,449 sharesAug 31, 2026: 23,416,828 sharesSep 15, 2026: 24,288,353 sharesSep 30, 2026: 27,639,507 sharesOct 15, 2026: 25,758,781 sharesOct 30, 2026: 17,667,421 shares
Short interest in RBLX by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 202617.7M−8.09M−31.4%10.0M1.76
Oct 15, 202625.8M−1.88M−6.8%11.4M2.26
Sep 30, 202627.6M+3.35M+13.8%13.6M2.03
Sep 15, 202624.3M+871.5K+3.7%9.57M2.54
Aug 31, 202623.4M+9.53M+68.7%10.9M2.15
Aug 14, 202613.9M−10.2M−42.4%16.5M1.00
Jul 31, 202624.1M−5.21M−17.8%13.2M1.82
Jul 15, 202629.3M+327.6K+1.1%7.43M3.95
Jun 30, 202629.0M−1.28M−4.2%13.8M2.09
Jun 15, 202630.3M+6.30M+26.3%10.1M3.01
May 29, 202624.0M−1.22M−4.9%11.4M2.11
May 15, 202625.2M+4.46M+21.5%17.5M1.44
Apr 30, 202620.7M+1.06M+5.4%9.43M2.20
Apr 15, 202619.7M+1.14M+6.2%8.89M2.21
Mar 31, 202618.5M−1.14M−5.8%8.35M2.22
Mar 13, 202619.7M−1.37M−6.5%8.81M2.23
Feb 27, 202621.0M+1.26M+6.4%11.1M1.90
Feb 13, 202619.8M+4.68M+31.0%16.7M1.18
Jan 30, 202615.1M−1.06M−6.6%14.0M1.08
Jan 15, 202616.1M+1.12M+7.5%12.9M1.25
Dec 31, 202515.0M+1.10M+7.9%6.78M2.22
Dec 15, 202513.9M−1.11M−7.4%6.86M2.03
Nov 28, 202515.0M−330.5K−2.2%8.26M1.82
Nov 14, 202515.4M−1.72M−10.1%7.58M2.03
Oct 31, 202517.1M+179.6K+1.1%8.30M2.06
Oct 15, 202516.9M−1.03M−5.8%6.95M2.43
Sep 30, 202517.9M−1.73M−8.8%7.11M2.52
Sep 15, 202519.7M+1.85M+10.4%7.45M2.64
Aug 29, 202517.8M−1.36M−7.1%9.68M1.84
Aug 15, 202519.2M+1.08M+6.0%9.28M2.07
Jul 31, 202518.1M−3.69M−16.9%10.6M1.71
Jul 15, 202521.8M−1.82M−7.7%6.84M3.18
Jun 30, 202523.6M+2.00M+9.3%8.11M2.91
Jun 13, 202521.6M+4.91M+29.4%9.45M2.29
May 30, 202516.7M−455.3K−2.7%7.68M2.17
May 15, 202517.2M+3.03M+21.5%10.9M1.58
Apr 30, 202514.1M+621.7K+4.6%6.74M2.10
Apr 15, 202513.5M−922.3K−6.4%7.94M1.70
Mar 31, 202514.4M−1.79M−11.0%6.34M2.28
Mar 14, 202516.2M−1.72M−9.6%10.1M1.61
Feb 28, 202517.9M−2.64M−12.8%9.60M1.87
Feb 14, 202520.6M−3.99M−16.2%14.8M1.39
Jan 31, 202524.6M+3.21M+15.1%6.93M3.55
Jan 15, 202521.3M+56.5K+0.3%6.47M3.30
Dec 31, 202421.3M−3.82M−15.2%4.80M4.44
Dec 13, 202425.1M−2.85M−10.2%8.95M2.81
Nov 29, 202428.0M+2.71M+10.7%9.48M2.95
Nov 15, 202425.3M−1.72M−6.4%10.4M2.43
Oct 31, 202427.0M−5.46M−16.8%8.43M3.20

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

Fails-to-deliver in RBLX by settlement date
Settlement dateSharesPriceValue
Oct 14, 202673,675$49.51$3.65M
Oct 13, 20269$49.58$446.22
Oct 9, 202686$45.52$3.91K
Oct 8, 202682,066$46.41$3.81M
Oct 5, 20262$44.12$88.24
Sep 28, 2026465$46.44$21.6K
Sep 21, 202676$47.82$3.63K
Sep 18, 20264,917$47.50$233.6K
Sep 17, 202619,710$47.43$934.8K
Sep 16, 202647,412$50.24$2.38M
Sep 15, 2026897$51.29$46.0K
Sep 11, 202614$44.88$628.32
Sep 10, 202666$44.52$2.94K
Sep 8, 20264,448$43.31$192.6K
Sep 2, 2026150$40.67$6.10K
Aug 24, 202613,692$38.37$525.4K
Aug 21, 20262$38.63$77.26
Aug 6, 2026143$36.19$5.18K
Aug 4, 20261,415$36.67$51.9K
Aug 3, 2026361$35.60$12.9K
Jul 27, 2026200$47.55$9.51K
Jul 22, 20262,139$52.50$112.3K
Jul 20, 2026191,983$51.68$9.92M
Jul 17, 2026198,697$54.01$10.7M
Jul 16, 202695,575$57.07$5.45M
Jul 13, 20263,000$55.35$166.1K
Jul 6, 20262,400$55.41$133.0K
Jun 30, 2026331,179$54.34$18.0M
Jun 29, 2026400$47.56$19.0K
Jun 25, 20261$47.94$47.94

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

Off-exchange short volume in RBLX by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 11, 20261,857,9023,3843,376,05955.0%
Nov 10, 20261,487,0295783,015,77349.3%
Nov 9, 20261,672,27839,4604,374,62238.2%
Nov 6, 20261,399,397752,749,24450.9%
Nov 5, 20262,197,7902,9084,550,38248.3%
Nov 4, 20261,446,4222,3003,466,18641.7%
Nov 3, 20261,796,3732063,672,79548.9%
Nov 2, 20261,847,065159,1106,498,32528.4%
Oct 30, 20265,045,036302,63413,392,09037.7%
Oct 29, 20263,589,3771,0156,586,72954.5%
Oct 28, 20261,316,05339,5523,011,92343.7%
Oct 27, 20261,252,309182,915,37243.0%
Oct 26, 2026984,3964,9662,513,87339.2%
Oct 23, 2026590,9481,1341,897,86731.1%
Oct 22, 20261,420,8062,7892,908,60548.8%
Oct 21, 2026729,3993,1711,867,31639.1%
Oct 20, 2026894,4531,7562,154,36141.5%
Oct 19, 2026913,4189182,093,39543.6%
Oct 16, 2026966,7396922,479,63639.0%
Oct 15, 20261,175,5692,1912,849,58641.3%
Oct 14, 2026941,8322,1892,591,18136.3%
Oct 13, 20261,019,2364,3952,245,13545.4%
Oct 12, 2026904,3381,0492,515,06036.0%
Oct 9, 20261,119,9138,2184,577,52424.5%
Oct 8, 20261,170,5301,0784,277,76627.4%
Oct 7, 20261,664,6606,5005,807,81328.7%
Oct 6, 2026693,8993,6342,897,32623.9%
Oct 5, 2026758,6292,6923,497,02521.7%
Oct 2, 2026865,61711,2383,771,03523.0%
Oct 1, 20261,058,0904,2014,200,62025.2%

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in RBLX
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 19, 2026T17,686,078112,9366,157,38148,05955.5%
Oct 12, 2026T18,857,047129,28125,615,40453,52225.7%
Oct 5, 2026T114,330,960170,90212,655,71559,42253.1%
Sep 28, 2026T119,334,745188,17715,148,27768,94456.1%
Sep 21, 2026T115,092,514170,14313,819,78966,00052.2%
Sep 14, 2026T113,930,791175,3329,759,82275,48258.8%
Sep 7, 2026T110,336,782129,2305,015,20249,14567.3%
Aug 31, 2026T112,640,273156,77310,154,25872,24655.5%
Aug 24, 2026T112,662,462135,4999,233,44256,15757.8%
Aug 17, 2026T113,066,132144,32913,485,47862,44349.2%
Aug 10, 2026T113,666,788150,02515,998,12185,52246.1%
Aug 3, 2026T123,497,466217,28417,645,946105,21857.1%