CTM
Castellum, Inc.
stockNYSEAMERICAN
Market OpenOct 6, 2026 11:11:19 AM EDT
0.65USD+4.776%(+0.03)212,661
0.5400Bid0.7300Ask0.1900SpreadPre-marketOct 6, 2026 9:25:30 AM EDT
0.624USD0.000%(0.00)
Interactive Brokers
As of 2026-10-06 12:48:40 PM EDT, there were 700,000 shares available with a fee of 1.47%.
CTM Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-06 12:32:57 PM EDT | 1.47 | 700,000 | 2.41 |
| 2026-10-06 12:17:12 PM EDT | 1.48 | 700,000 | 2.40 |
| 2026-10-06 12:01:29 PM EDT | 1.48 | 750,000 | 2.40 |
| 2026-10-06 10:27:34 AM EDT | 1.48 | 700,000 | 2.40 |
| 2026-10-06 09:40:34 AM EDT | 1.48 | 750,000 | 2.40 |
| 2026-10-06 09:24:55 AM EDT | 1.48 | 700,000 | 2.40 |
| 2026-10-06 09:09:13 AM EDT | 1.49 | 700,000 | 2.39 |
| 2026-10-06 07:19:08 AM EDT | 1.49 | 350,000 | 2.39 |
| 2026-10-06 02:52:36 AM EDT | 1.49 | 650,000 | 2.39 |
| 2026-10-06 01:02:46 AM EDT | 1.49 | 600,000 | 2.39 |
| 2026-10-06 12:47:08 AM EDT | 1.49 | 450,000 | 2.39 |
| 2026-10-05 08:54:27 PM EDT | 1.49 | 600,000 | 2.39 |
| 2026-10-05 12:32:34 PM EDT | 1.49 | 650,000 | 2.39 |
| 2026-10-05 10:27:21 AM EDT | 1.50 | 650,000 | 2.38 |
| 2026-10-05 09:24:40 AM EDT | 1.50 | 600,000 | 2.38 |
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.
CTM Borrow Fee (CTB)
CTM 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.