CPSO
Calamos S&P 500 Structured Alt Protection ETF - October
stockNYSEETF
Market OpenOct 2, 2026 3:10:27 PM EDT
28.43USD0.000%(0.00)1,514
28.39Bid28.47Ask0.08SpreadInteractive Brokers
As of 2026-10-05 11:45:33 AM EDT, there were 4,000 shares available with a fee of 36.03%.
CPSO Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 11:45:33 AM EDT | 36.03 | 4,000 | -32.15 |
| 2026-10-05 10:11:43 AM EDT | 36.03 | 0 | -32.15 |
| 2026-10-05 09:24:40 AM EDT | 36.03 | 400 | -32.15 |
| 2026-10-05 01:18:33 AM EDT | 33.94 | 400 | -30.06 |
| 2026-10-03 11:38:19 PM EDT | 33.94 | 0 | -30.06 |
| 2026-10-03 11:22:43 PM EDT | 33.94 | 300 | -30.06 |
| 2026-10-03 01:18:14 AM EDT | 33.94 | 0 | -30.06 |
| 2026-10-02 01:21:44 PM EDT | 33.94 | 300 | -30.06 |
| 2026-10-02 12:34:49 PM EDT | 35.53 | 300 | -31.65 |
| 2026-10-02 11:31:39 AM EDT | 35.05 | 300 | -31.17 |
| 2026-10-02 10:28:57 AM EDT | 34.65 | 300 | -30.77 |
| 2026-10-02 10:13:20 AM EDT | 34.65 | 200 | -30.77 |
| 2026-10-02 09:25:30 AM EDT | 34.65 | 100 | -30.77 |
| 2026-10-02 08:22:42 AM EDT | 40.74 | 100 | -36.86 |
| 2026-10-02 07:19:19 AM EDT | 40.74 | 0 | -36.86 |
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.
CPSO Borrow Fee (CTB)
CPSO 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.