CORCEPT THERAPEUTICS INC (CORT) Short Interest

Shares short, days to cover, historical percentile

CORT Short Interest & Days to Cover

CORCEPT THERAPEUTICS INC (CORT) currently has 9.8M shares short as of the Jul 31, 2026 settlement date, or about 6.4 days to cover at current trading volume. That is lower than 91% of the 158 readings on record since Jan 15, 2020, on a days-to-cover basis. Shares short have risen for 3 straight reporting periods. Looking at recent periods where short interest increased, the stock is now averaging +145.1% since those additions, recent short sellers are broadly underwater on that basis.

Historical Level
Near multi-year low
9th percentile of 158 readings since Jan 15, 2020
Trend
Rising, 3 reports
Current: 9.8M shares short
Days to Cover
6.4 days · Low
9th percentile for this stock
Current Short Position
Shares short
9.8M
Days to cover
6.4
Days-to-cover percentile
9th
Avg daily volume
1.5M
Est. $ value of short position
$1.12B

As of the Jul 31, 2026 settlement date, short interest is reported roughly every two weeks, not in real time.

See CORT's full volatility profile →
Is This Normal for CORT?

Days to cover, compared against every biweekly reading on record for this stock specifically, not the market as a whole.

Historical average
16.4 days
Historical median
17.7 days
Highest on record
31.2 days
Oct 31, 2022
Lowest on record
4.7 days
Nov 30, 2020
Are Shorts Covering, or Building a Bigger Bet?

Short interest moving alone does not say much, what matters is whether it is moving with or against the price. Each period below compares the change in short interest to the stock's move over the same window.

Settlement DateSI ChangeRead
Jul 31, 2026+4.0%New bearish bets despite strength
Jul 15, 2026+9.3%New bearish bets despite strength
Jun 30, 2026+0.8%
Jun 15, 2026-2.5%Covering into strength
May 29, 2026-5.7%Covering into strength
May 15, 2026-13.0%Covering into strength
Apr 30, 2026-5.6%Covering into strength
Apr 15, 2026-8.9%Covering into strength
Are Short Sellers Winning?

Comparing the stock's price at each recent short-interest-increase to where it trades today. An estimate based on settlement-date prices, not any individual short seller's real entry.

Avg return since these additions
+145.1%
Shorts profitable in
17% of these periods
Build DatePrice ThenReturn Since
Jan 30, 2026$39.87+185.6%
Feb 13, 2026$39.97+184.9%
Feb 27, 2026$35.70+219.0%
Mar 13, 2026$32.15+254.2%
Jul 15, 2026$89.57+27.1%
Jul 31, 2026$114.49-0.5%
What Happened Last Time Short Interest Was This High?

The 40 periods where short interest was in the top quarter of CORT's own history on record (+20.55% or higher), and what followed.

Forward WindowAvg ReturnWin Rate
3 months+7.8%57% (n=40)
6 months+21.5%60% (n=40)
12 months+47.5%93% (n=40)

A historical pattern in CORT's own data, not a prediction.

Biggest Short Interest Moves on Record
Biggest builds
Dec 15, 2021 · +116.0% (15.1 days to cover)
Feb 27, 2026 · +24.2% (5.7 days to cover)
Jan 31, 2024 · +23.3% (14.2 days to cover)
Biggest covers
Apr 15, 2025 · -25.7% (8.1 days to cover)
Sep 15, 2020 · -18.6% (6.6 days to cover)
Jun 30, 2021 · -18.5% (14.1 days to cover)
Complete Short Interest History

Every biweekly settlement reading on record, most recent first. Page 1 of 4.

Settlement DateShares ShortDays to CoverAvg Daily VolumeChange
Jul 31, 20269.8M6.41.5M+4.0%
Jul 15, 20269.4M8.61.1M+9.3%
Jun 30, 20268.6M7.71.1M+0.8%
Jun 15, 20268.6M6.11.4M-2.5%
May 29, 20268.8M6.11.4M-5.7%
May 15, 20269.3M5.51.7M-13.0%
Apr 30, 202610.7M6.51.6M-5.6%
Apr 15, 202611.3M5.82.0M-8.9%
Mar 31, 202612.4M5.72.2M-4.5%
Mar 13, 202613.0M5.82.3M+4.5%
Feb 27, 202612.5M5.72.2M+24.2%
Feb 13, 202610.0M5.41.8M+8.2%
Jan 30, 20269.3M5.21.8M+13.3%
Jan 15, 20268.2M5.61.5M-10.5%
Dec 31, 20259.2M7.61.2M-9.5%
Dec 15, 202510.1M11.8857K-2.2%
Nov 28, 202510.3M12.6819K+1.7%
Nov 14, 202510.2M12.2835K-8.0%
Oct 31, 202511.1M12.8863K+7.9%
Oct 15, 202510.2M11.9862K-3.8%
Sep 30, 202510.6M12.4859K-1.6%
Sep 15, 202510.8M10.71.0M-0.6%
Aug 29, 202510.9M9.31.2M+2.7%
Aug 15, 202510.6M8.51.2M-4.2%
Jul 31, 202511.1M8.41.3M-1.5%
Jul 15, 202511.2M8.41.3M-2.0%
Jun 30, 202511.4M6.11.9M-9.5%
Jun 13, 202512.7M7.61.7M+0.1%
May 30, 202512.6M7.81.6M+1.3%
May 15, 202512.5M7.51.7M-5.3%
Apr 30, 202513.2M8.31.6M+7.2%
Apr 15, 202512.3M8.11.5M-25.7%
Mar 31, 202516.5M13.41.2M+1.2%
Mar 14, 202516.3M16.4999K+1.8%
Feb 28, 202516.0M17.6910K+4.2%
Feb 14, 202515.4M18.3843K-2.7%
Jan 31, 202515.8M17.5905K-2.8%
Jan 15, 202516.3M16.9959K+1.9%
Dec 31, 202416.0M16.4974K+1.5%
Dec 13, 202415.7M15.31.0M-7.8%
Nov 29, 202417.1M17.4977K-7.0%
Nov 15, 202418.3M19.7931K-2.4%
Oct 31, 202418.8M21.1891K-9.1%
Oct 15, 202420.7M23.9866K-3.9%
Sep 30, 202421.5M25.3851K-0.9%
Sep 13, 202421.7M24.8877K-1.7%
Aug 30, 202422.1M22.9962K+2.3%
Aug 15, 202421.6M20.31.1M-3.0%
Jul 31, 202422.3M19.61.1M-2.2%
Jul 15, 202422.8M19.41.2M+4.0%
Page 1 of 4
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Frequently Asked Questions
What is CORT's current short interest?

CORCEPT THERAPEUTICS INC has 9.8M shares sold short as of Jul 31, 2026. Days to cover is 6.4.

Is CORT's short interest high or low right now?

On a days-to-cover basis, current short interest is lower than 91% of the 158 biweekly readings on record, spanning Jan 15, 2020 to Jul 31, 2026. The historical average days to cover is 16.4, and the highest on record is 31.2 days, on Oct 31, 2022.

Is short interest in CORT rising or falling?

Shares short have risen for 3 consecutive reporting periods.

Are short sellers in CORT currently winning or losing?

Looking at the 6 most recent periods where short interest increased, the stock has averaged +145.1% since those additions, with price now below the entry level in 17% of those cases. This is an estimate based on the price at each settlement date, not a precise tracking of any individual short seller's actual entry.

What has historically happened after CORT's short interest was this high?

In the 40 periods where days to cover was in the top quarter of this ticker's own history (20.6 days or higher), the stock averaged +21.5% over the following 6 months (positive 60% of the time, n=40). This is a historical pattern, not a prediction.

Sourced from biweekly exchange short interest settlement data for CORT, not real-time. This page does not include cost-to-borrow, daily short volume, dark pool activity, or failure-to-deliver data, none of which exist in this data source. This is historical data, not investment advice. Read disclaimer →