{"ticker":"CBTO","name":"Calamos Bitcoin 80 Series Structured Alt Protection ETF - October","page_url":null,"cite_as":"TickerInside, Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO), holdings and contracts from SEC Form N-PORT for the period ended 2026-07-31, filed 2026-09-29, https://tickerinside.com/api/v1/etf/cbto.json, CC BY 4.0","cite_html":"<a href=\"https://tickerinside.com/api/v1/etf/cbto.json\">TickerInside</a> (https://tickerinside.com/api/v1/etf/cbto.json)","identifiers":{"asset_type":"etf","exchange":"Cboe BZX","composite_figi":"BBG01XR4S6H6","share_class_figi":"BBG01XR4S7D8","cik":null,"series_id":"S000090061","class_id":null},"source_layer":"sec_nport_derivatives","category":{"id":"single-stock-option-income","label":"Single-Stock Option Income","group":"options","group_label":"Option strategies","asset_class":"equity","rule":"In its filing for 2026-07-31, it writes calls on CBOE Mini Bitcoin U.S. ETF Index (179% of net assets).","basis":"contracts","as_of":"2026-07-31","facets":{"underlying":"CBOE Mini Bitcoin U.S. ETF Index"},"measured":{},"method":"https://tickerinside.com/etf/category/"},"as_of":null,"holdings_as_of":"2026-07-31","report_date":"2026-07-31","filed":"2026-09-29","filing_url":"https://www.sec.gov/Archives/edgar/data/1579881/000141036826101649/","net_assets":27651253,"multi_class":false,"stock_pct":0.0,"unmapped_pct":0.0,"abroad":[],"expense_ratio":0.69,"expense_ratio_gross":0.69,"expense_ratio_source":"sec_filing","expense_ratio_as_of":"2025-11-26","expense_ratio_filing_url":"https://www.sec.gov/Archives/edgar/data/1579881/000110465925116471/","yield":null,"aum_b":null,"aum_source":null,"aum_date":null,"etf_class_net_assets_b":null,"etf_class_net_assets_as_of":null,"derivative_positions":2,"vol":null,"beta":null,"mdd3":null,"r1":null,"r3":null,"r5":null,"last_close":null,"last_close_date":null,"day_change_pct":null,"high_52w":null,"low_52w":null,"currency":null,"held_outright":{},"summary":"On 2026-07-31, CBTO held US Treasury bills (99.6%), as percent of net assets. It carried options on CBOE Mini Bitcoin U.S. ETF Index (179.1% in written calls and 101.2% in purchased calls), as notional exposure in percent of net assets.","composition":[{"kind":"treasury_bills","label":"US Treasury bills","pct":99.6}],"derivatives":[{"instrument":"option","description":"call option, written","underlying":"CBOE Mini Bitcoin U.S. ETF Index","underlying_ticker":null,"underlying_kind":"crypto","direction":"short","notional_pct":179.1331,"value_pct":-0.0,"positions":1,"option_type":"call","option_side":"written","expires_first":"2026-10-06","expires_last":"2026-10-06"},{"instrument":"option","description":"call option, purchased","underlying":"CBOE Mini Bitcoin U.S. ETF Index","underlying_ticker":null,"underlying_kind":"crypto","direction":"long","notional_pct":101.1895,"value_pct":0.0064,"positions":1,"option_type":"call","option_side":"purchased","expires_first":"2026-10-06","expires_last":"2026-10-06"}],"underlyings":[{"underlying":"CBOE Mini Bitcoin U.S. ETF Index","underlying_ticker":null,"underlying_kind":"crypto","long_pct":0.0,"short_pct":0.0,"options":{"purchased_calls_pct":101.19,"written_calls_pct":179.13},"instruments":["option"],"complete":true,"net_pct":0.0}],"exposure":{"stocks_pct":0.0,"swaps_futures_long_pct":0,"swaps_futures_short_pct":0,"options_notional_pct":280.32,"complete":true,"long_exposure_pct":null},"exposure_notes":[],"weekly":null,"weeks_end":null,"license":"CC BY 4.0","attribution":"Credit TickerInside with a link to the page the figure comes from (cite_as gives it) wherever the medium allows a link, and by name where it does not. How you mark the link is up to you.","source":"https://tickerinside.com/api/#derivative-funds"}