CPSU
Calamos S&P 500 Structured Alt Protection ETF - June
stockNYSEETF
At CloseOct 1, 2026 3:59:45 PM EDT
27.88USD0.000%(+27.88)51
After-hoursOct 2, 2026 4:10:30 PM EDT
27.98USD+0.342%(+0.10)
Interactive Brokers
As of 2026-10-05 08:06:20 AM EDT, there were 2,000 shares available with a fee of 5.02%.
CPSU Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 07:19:05 AM EDT | 5.02 | 2,000 | -1.14 |
| 2026-10-04 08:36:34 PM EDT | 5.02 | 4,000 | -1.14 |
| 2026-10-04 07:34:01 PM EDT | 5.02 | 3,000 | -1.14 |
| 2026-10-03 11:38:19 PM EDT | 5.02 | 4,000 | -1.14 |
| 2026-10-03 11:22:43 PM EDT | 5.02 | 5,000 | -1.14 |
| 2026-10-03 01:18:14 AM EDT | 5.02 | 4,000 | -1.14 |
| 2026-10-02 08:25:35 PM EDT | 5.02 | 5,000 | -1.14 |
| 2026-10-02 04:45:36 PM EDT | 5.02 | 3,000 | -1.14 |
| 2026-10-02 11:31:39 AM EDT | 5.02 | 5,000 | -1.14 |
| 2026-10-02 10:13:20 AM EDT | 4.89 | 5,000 | -1.01 |
| 2026-10-02 09:25:30 AM EDT | 4.89 | 4,000 | -1.01 |
| 2026-10-02 07:35:27 AM EDT | 4.02 | 4,000 | -0.14 |
| 2026-10-02 07:19:19 AM EDT | 4.02 | 0 | -0.14 |
| 2026-10-01 10:59:10 AM EDT | 4.02 | 10,000 | -0.14 |
| 2026-10-01 10:43:32 AM EDT | 4.02 | 7,000 | -0.14 |
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.
CPSU Borrow Fee (CTB)
CPSU 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.