| Cover | Jun. 02, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 02, 2023 |
| Entity File Number | 001-41417 |
| Entity Registrant Name | ConvexityShares Trust |
| Entity Central Index Key | 0001817218 |
| Entity Tax Identification Number | 86-6789125 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 7 Roszel Road |
| Entity Address, Address Line Two | Suite 1A |
| Entity Address, City or Town | Princeton |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 08540 |
| City Area Code | 609 |
| Local Phone Number | 897-7300 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Shares of ConvexityShares Daily 1.5x SPIKES Futures ETF | |
| Title of 12(b) Security | Shares of ConvexityShares Daily 1.5x SPIKES Futures ETF |
| Trading Symbol | SPKY |
| Security Exchange Name | NYSEArca |
| Shares of ConvexityShares 1x SPIKES Futures ETF | |
| Title of 12(b) Security | Shares of ConvexityShares 1x SPIKES Futures ETF |
| Trading Symbol | SPKX |
| Security Exchange Name | NYSEArca |
