CPSA
Calamos S&P 500 Structured Alt Protection ETF - August
stockNYSEETF
At CloseOct 2, 2026 3:45:06 PM EDT
28.18USD+0.189%(+0.05)1,006
Interactive Brokers
As of 2026-10-05 04:10:50 AM EDT, there were 1,000 shares available with a fee of 22.88%.
CPSA Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 01:18:33 AM EDT | 22.88 | 1,000 | -19.00 |
| 2026-10-03 11:38:19 PM EDT | 22.88 | 900 | -19.00 |
| 2026-10-03 11:22:43 PM EDT | 22.88 | 1,000 | -19.00 |
| 2026-10-03 01:18:14 AM EDT | 22.88 | 900 | -19.00 |
| 2026-10-02 12:34:49 PM EDT | 22.88 | 1,000 | -19.00 |
| 2026-10-02 10:13:20 AM EDT | 24.09 | 1,000 | -20.21 |
| 2026-10-02 09:25:30 AM EDT | 24.09 | 900 | -20.21 |
| 2026-10-02 07:19:19 AM EDT | 29.13 | 900 | -25.25 |
| 2026-10-01 12:33:19 PM EDT | 29.13 | 30,000 | -25.25 |
| 2026-10-01 09:25:13 AM EDT | 29.13 | 1,000 | -25.25 |
| 2026-10-01 07:35:09 AM EDT | 26.60 | 1,000 | -22.72 |
| 2026-10-01 12:31:38 AM EDT | 26.60 | 200 | -22.72 |
| 2026-09-30 11:31:00 AM EDT | 26.60 | 300 | -22.72 |
| 2026-09-30 09:57:07 AM EDT | 29.10 | 300 | -25.22 |
| 2026-09-30 12:47:24 AM EDT | 59.64 | 0 | -55.76 |
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.
CPSA Borrow Fee (CTB)
CPSA 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.