It's not traded on any CEXs yet because the L1 it's built on, $XRD (
https://www.radixdlt.com/), is set to launch in a few days.
However, you can trade $OCI on their own exchange at
https://ociswap.com/ociswap/ for $XRD and then exchange it for your preferred cryptocurrency.
The TVL $3.1 million,
MCAP of $3 million. Ociswap holds the top position as the number one DEX on Radix.
Since I initially posted this, the price has risen by 12% to $0.155. Nevertheless, as I'm actively seeking an OTC deal, I'm still willing to sell it at a lower price.