SION
Sionna Therapeutics, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 1:24:04 PM EDT
4.83USD-2.028%(-0.10)413,222
4.8100Bid4.8300Ask0.0200SpreadPre-marketOct 5, 2026 9:02:30 AM EDT
5.03USD+2.028%(+0.10)
Interactive Brokers
As of 2026-10-05 01:19:30 PM EDT, there were 450,000 shares available with a fee of 0.55%.
SION Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 12:32:34 PM EDT | 0.55 | 450,000 | 3.33 |
| 2026-10-05 07:34:57 AM EDT | 0.41 | 450,000 | 3.47 |
| 2026-10-02 10:44:38 AM EDT | 0.41 | 1,600,000 | 3.47 |
| 2026-10-02 09:25:30 AM EDT | 0.41 | 1,400,000 | 3.47 |
| 2026-10-02 07:19:19 AM EDT | 0.49 | 1,400,000 | 3.39 |
| 2026-10-01 03:25:38 PM EDT | 0.49 | 1,700,000 | 3.39 |
| 2026-10-01 02:38:36 PM EDT | 0.53 | 1,700,000 | 3.35 |
| 2026-10-01 02:22:56 PM EDT | 0.53 | 1,500,000 | 3.35 |
| 2026-10-01 01:35:56 PM EDT | 0.54 | 1,500,000 | 3.34 |
| 2026-10-01 12:33:19 PM EDT | 0.55 | 1,600,000 | 3.33 |
| 2026-10-01 11:30:35 AM EDT | 0.58 | 1,600,000 | 3.30 |
| 2026-10-01 09:25:13 AM EDT | 0.69 | 1,600,000 | 3.19 |
| 2026-10-01 07:35:09 AM EDT | 0.63 | 1,600,000 | 3.25 |
| 2026-10-01 07:19:14 AM EDT | 0.63 | 250,000 | 3.25 |
| 2026-09-30 06:34:33 PM EDT | 0.63 | 1,500,000 | 3.25 |
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.
SION Borrow Fee (CTB)
SION 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.