Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) short interest & short volume
Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
Daily short volume averaged 48.3% of volume over the last 20 sessions, down from 57.6% the 20 sessions before.
Short interest
Official, twice monthly
No short-interest report on file for FOUR-PA yet. FINRA publishes one twice a month; this page fills in after the next load.
Daily short volume
Share of each day's volume sold short · FINRA Reg SHO
- Latest (Nov 5)
- 75.4%
- 2K of 3K
- 20-day average
- 48.3%
- prior 57.6%
- Percentile vs own history
- —
- needs ~3 months
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 5, 2026
Short squeeze score (model)
No FINRA short-interest report on file for FOUR-PA, so there is nothing to score.
Model, not a forecast: 40 pts short interest % of float (full at 30%), 25 pts days to cover (full at 10), 15 pts rise in short interest since the prior report (full at +50%), 20 pts price gain since the settlement date (full at +25%). Missing inputs score 0.
Market-wide: most shorted stocks, biggest changes and unusual short volume · FOUR-PA overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-05 | 2,416 | 3,203 | 75.4% |
| 2026-11-04 | 5,513 | 15,266 | 36.1% |
| 2026-11-03 | 1,341 | 1,854 | 72.3% |
| 2026-11-02 | 1,705 | 2,018 | 84.5% |
| 2026-10-30 | 2,005 | 4,432 | 45.2% |
| 2026-10-29 | 60,613 | 61,228 | 99.0% |
| 2026-10-28 | 2,857 | 34,603 | 8.3% |
| 2026-10-27 | 2,288 | 3,000 | 76.3% |
| 2026-10-26 | 146 | 77,908 | 0.2% |
| 2026-10-23 | 50,417 | 50,494 | 99.8% |
FOUR-PA short interest FAQ
What share of FOUR-PA daily volume is sold short?
48.3% on average over the last 20 sessions to Nov 5, 2026 (FINRA Reg SHO daily short volume). Short volume counts market makers' same-day short sales, so it is not short interest.
What was FOUR-PA's latest FINRA short volume?
On Nov 5, 2026, cached FINRA short volume for Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) was 2,416 shares, 75.4% of 3,203 total volume.
How many FOUR-PA short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA), from Oct 23, 2026 through Nov 5, 2026.
How did FOUR-PA short volume percent change from the prior cached session?
Cached FINRA short volume for Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) moved from 36.1% on Nov 4, 2026 to 75.4% on Nov 5, 2026, up 39.3 percentage points.
What was the highest FOUR-PA short volume percent on this page?
The highest cached FINRA short volume on this page is 99.8% of total volume on Oct 23, 2026.
Where is FOUR-PA listed?
Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) note is listed on NYSE.
What is the average FOUR-PA short volume percent on this page?
Across 10 cached sessions on this page, Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) short volume averaged 59.7% of total volume.
Where is FOUR-PA short volume listed?
Cached FINRA short volume for Shift4 Payments Inc 6% PRF CONVERT 01/05/2028 USD 100 - Ser A (FOUR-PA) is listed at https://lician.com/short-interest/four-pa.
Not investment advice. Figures as filed or reported, not a live feed.