One estimate says it may take 6 days to free the ship stuck in the Suez canal

One of the impacts of the complete blockage of the Cana; has been a jump in oil prices.

Lloyds, the shipping insurance people, convey information saying the grounding of the similar-sized ship in 2016 (the 19,000 teu CSCL Indian Ocean on the Elb)e in 2016 took six days to re-float.
Ever Given is a 20,000 teu ship and is fully laden.
More from Lloyds:

around 165 vessels representing 13m dwt are currently either waiting at either end of the canal or blocked from exiting. 

total includes:

• 41 bulk carriers (2.9m dwt) including six capes and 20 panamax and supramaxes. Two bulk ore carriers

• 24 crude tankers, including three VLCCs and nine suezmaxes

• 33 containerships, including four of 197,000 dwt-plus (including Ever Given) which puts them in the 20,000 teu category.

• 16 LPG or LNG carriers

• 15 product tankers including three long range two ships. These will likely be carrying 90,000-tonne cargoes of jet fuel or diesel to Europe or the Mediterranean.

• Eight vehicle carriers

ever given suez canal