SPY shorts have evaporated

The entire corona "shock" when it comes to loans on SPY is now gone. Is everybody "comfortably" all in long now? Despite the bullish feeling, SPX has done pretty much nothing since December. Small grinding higher and a few bigger down days has offered practically zero index returns. Note we are basically back to Pfizer vaccine day news highs. SPX has had problems pushing above that upper trend line lately, which is a loss of momentum. The only thing up since December is VIX. It would be truly ep