SER
Serina Therapeutics, Inc.
stockNYSEAMERICAN
At CloseNov 13, 2026 3:41:55 PM EST
1.50USD+6.383%(+0.09)10,779
Pre-marketNov 13, 2026 8:39:30 AM EST
1.3936USD-1.163%(-0.0164)
After-hoursNov 13, 2026 4:10:30 PM EST
1.39USD-7.333%(-0.11)
As of 2026-11-15 04:26:39 AM EST, there were 200,000 shares available with a fee of 22.23%.
SER Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-11-13 11:32:17 AM EST | 22.23 | 200,000 | -18.35 |
| 2026-11-13 08:08:07 AM EST | 21.81 | 200,000 | -17.93 |
| 2026-11-13 07:20:49 AM EST | 21.81 | 60,000 | -17.93 |
| 2026-11-12 01:51:49 PM EST | 21.81 | 250,000 | -17.93 |
| 2026-11-12 01:36:12 PM EST | 21.81 | 200,000 | -17.93 |
| 2026-11-12 01:20:32 PM EST | 21.81 | 100,000 | -17.93 |
| 2026-11-12 08:22:42 AM EST | 21.81 | 45,000 | -17.93 |
| 2026-11-12 07:19:44 AM EST | 21.81 | 20,000 | -17.93 |
| 2026-11-12 06:00:56 AM EST | 21.81 | 250,000 | -17.93 |
| 2026-11-10 09:56:42 AM EST | 21.81 | 300,000 | -17.93 |
| 2026-11-10 09:25:22 AM EST | 21.81 | 250,000 | -17.93 |
| 2026-11-10 08:54:02 AM EST | 27.50 | 250,000 | -23.62 |
| 2026-11-10 07:35:27 AM EST | 27.50 | 100,000 | -23.62 |
| 2026-11-10 07:19:30 AM EST | 27.50 | 65,000 | -23.62 |
| 2026-11-09 11:30:01 AM EST | 27.50 | 100,000 | -23.62 |
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.
SER Borrow Fee (CTB)
SER 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.