PTGX
Protagonist Therapeutics, Inc
stockNASDAQ
At CloseOct 2, 2026 3:59:58 PM EDT
139.90USD+0.510%(+0.71)760,304
After-hoursOct 2, 2026 4:26:30 PM EDT
141.00USD+0.786%(+1.10)
Interactive Brokers
As of 2026-10-05 07:50:39 AM EDT, there were 750,000 shares available with a fee of 0.41%.
PTGX Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 07:19:05 AM EDT | 0.41 | 750,000 | 3.47 |
| 2026-10-05 05:44:49 AM EDT | 0.41 | 800,000 | 3.47 |
| 2026-10-03 02:21:10 AM EDT | 0.41 | 950,000 | 3.47 |
| 2026-10-02 08:56:59 PM EDT | 0.41 | 900,000 | 3.47 |
| 2026-10-02 07:19:19 AM EDT | 0.41 | 950,000 | 3.47 |
| 2026-10-01 02:22:56 PM EDT | 0.41 | 1,000,000 | 3.47 |
| 2026-10-01 11:30:35 AM EDT | 0.41 | 900,000 | 3.47 |
| 2026-10-01 09:25:13 AM EDT | 0.32 | 900,000 | 3.56 |
| 2026-10-01 08:53:57 AM EDT | 0.33 | 900,000 | 3.55 |
| 2026-10-01 07:35:09 AM EDT | 0.33 | 950,000 | 3.55 |
| 2026-10-01 07:19:14 AM EDT | 0.33 | 800,000 | 3.55 |
| 2026-10-01 02:05:49 AM EDT | 0.33 | 950,000 | 3.55 |
| 2026-09-30 12:49:31 PM EDT | 0.33 | 850,000 | 3.55 |
| 2026-09-30 11:31:00 AM EDT | 0.33 | 900,000 | 3.55 |
| 2026-09-30 09:25:43 AM EDT | 0.41 | 900,000 | 3.47 |
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.
PTGX Borrow Fee (CTB)
PTGX Borrow Fee (CTB) · Data
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.