RTSN
Retension Pharmaceuticals, Inc. Common Stock
stockNASDAQ
At CloseOct 19, 2026 3:59:59 PM EDT
16.60USD+18.487%(+2.59)266,518
Pre-marketOct 19, 2026 8:59:30 AM EDT
14.98USD+6.924%(+0.97)
After-hoursOct 19, 2026 4:11:30 PM EDT
16.99USD+2.349%(+0.39)
As of 2026-10-19 05:16:02 PM EDT, there were 300,000 shares available with a fee of 9.50%.
RTSN Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-19 04:12:33 PM EDT | 9.50 | 300,000 | -5.62 |
| 2026-10-19 03:25:36 PM EDT | 9.50 | 250,000 | -5.62 |
| 2026-10-19 11:14:47 AM EDT | 9.39 | 250,000 | -5.51 |
| 2026-10-19 09:40:43 AM EDT | 9.39 | 300,000 | -5.51 |
| 2026-10-19 09:25:02 AM EDT | 9.39 | 250,000 | -5.51 |
| 2026-10-19 08:38:05 AM EDT | 9.20 | 250,000 | -5.32 |
| 2026-10-19 07:35:13 AM EDT | 9.20 | 300,000 | -5.32 |
| 2026-10-19 07:19:22 AM EDT | 9.20 | 85,000 | -5.32 |
| 2026-10-19 04:58:03 AM EDT | 9.20 | 100,000 | -5.32 |
| 2026-10-16 06:34:01 PM EDT | 9.20 | 300,000 | -5.32 |
| 2026-10-16 03:25:28 PM EDT | 9.23 | 300,000 | -5.35 |
| 2026-10-16 02:38:24 PM EDT | 9.24 | 300,000 | -5.36 |
| 2026-10-16 12:33:08 PM EDT | 9.25 | 300,000 | -5.37 |
| 2026-10-16 11:30:29 AM EDT | 9.34 | 300,000 | -5.46 |
| 2026-10-16 09:24:59 AM EDT | 9.36 | 300,000 | -5.48 |
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.
RTSN Borrow Fee (CTB)
RTSN 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.