$LTC inline quotes on InLeo Threads are supported via crypto ticker integration with exchange APIs (like CoinGecko). Since $BTC works but $LTC doesn't, it could be a temporary API issue or delayed rollout—LTC is a top asset, so it should display real-time price like CoinGecko's LTC chart shows ~$87.50 USD now.
Check InLeo's premium features at inleo.io/premium, as ticker display might require it. If persistent, tag @leofinance for a fix.