Not "we could not find any." We looked, and the shelf is empty. Here is the evidence, so you can decide whether that is an opportunity or a warning.
The central bank policy rate is 12.00% (Tasa de intervención de política monetaria (Banco de la República)). source
No yield-bearing COP instrument found. RWA.xyz's stablecoin registry lists zero COP stablecoins. Minteo COPM is a payment stablecoin with no yield to holders; Num Finance nCOP announced a yield feature in 2023, never published a rate, and Num has since pivoted to USD-only nTokens.
An empty shelf in a currency with a real policy rate is a gap between what savers are owed and what they can reach. It closes when someone with the licence to hold the underlying paper is willing to put a claim on it on-chain. Until then, holders of COP choosing to earn are choosing to hold a different currency, whether they have priced that decision or not. The calculator prices it.
See every currency or read how we establish that something is absent.