More than 202 seats (What Jeremy Corbyn's Labour Party achieved at the 2019 election)

'2019':14 '202':3 'achiev':11 'corbyn':7 'elect':15 'jeremi':6 'labour':9 'parti':10 'seat':4

More than 232 seats (What Ed Miliband's Labour Party achieved at the 2015 election)

'2015':14 '232':3 'achiev':11 'ed':6 'elect':15 'labour':9 'miliband':7 'parti':10 'seat':4

More than 258 seats (What Gordon Brown's Labour Party achieved at the 2010 election)

'2010':14 '258':3 'achiev':11 'brown':7 'elect':15 'gordon':6 'labour':9 'parti':10 'seat':4

More than 262 seats (What Jeremy Corbyn's Labour Party achieved at the 2017 election)

'2017':14 '262':3 'achiev':11 'corbyn':7 'elect':15 'jeremi':6 'labour':9 'parti':10 'seat':4

More than 271 seats (What Neil Kinnock's Labour Party achieved at the 1992 election)

'1992':14 '271':3 'achiev':11 'elect':15 'kinnock':7 'labour':9 'neil':6 'parti':10 'seat':4

More than 306 seats (What David Cameron's Conservative Party achieved at the 2010 election)

'2010':14 '306':3 'achiev':11 'cameron':7 'conserv':9 'david':6 'elect':15 'parti':10 'seat':4

More than 317 seats (What Theresa May's Conservative Party achieved at the 2017 election)

'2017':14 '317':3 'achiev':11 'conserv':9 'elect':15 'may':7 'parti':10 'seat':4 'theresa':6

More than 339 seats (What Margaret Thatcher's Conservative Party achieved at the 1979 election)

'1979':14 '339':3 'achiev':11 'conserv':9 'elect':15 'margaret':6 'parti':10 'seat':4 'thatcher':7

More than 355 seats (What Tony Blair's Labour Party achieved at the 2005 election)

'2005':14 '355':3 'achiev':11 'blair':7 'elect':15 'labour':9 'parti':10 'seat':4 'toni':6

More than 365 seats (What Boris Johnson's Conservative Party achieved at the 2019 election)

'2019':14 '365':3 'achiev':11 'bori':6 'conserv':9 'elect':15 'johnson':7 'parti':10 'seat':4

More than 376 seats (What Margaret Thatcher's Conservative Party achieved at the 1987 election)

'1987':14 '376':3 'achiev':11 'conserv':9 'elect':15 'margaret':6 'parti':10 'seat':4 'thatcher':7

More than 397 seats (What Margaret Thatcher's Conservative Party achieved at the 1983 election)

'1983':14 '397':3 'achiev':11 'conserv':9 'elect':15 'margaret':6 'parti':10 'seat':4 'thatcher':7

More than 412 seats (What Tony Blair's Labour Party achieved at the 2001 election)

'2001':14 '412':3 'achiev':11 'blair':7 'elect':15 'labour':9 'parti':10 'seat':4 'toni':6

More than 418 seats (What Tony Blair's Labour Party achieved at the 1997 election)

'1997':14 '418':3 'achiev':11 'blair':7 'elect':15 'labour':9 'parti':10 'seat':4 'toni':6

More than 441 seats (What the Earl Grey's Whigs achieved at the 1832 election)

'1832':14 '441':3 'achiev':11 'earl':7 'elect':15 'grey':8 'seat':4 'whig':10

More than 470 seats (What Stanley Baldwin's Conservative Party achieved at the 1931 election)

'1931':14 '470':3 'achiev':11 'baldwin':7 'conserv':9 'elect':15 'parti':10 'seat':4 'stanley':6

This is a cumulative-independent market, which is probably the best way to represent these kinds of markets. This also uses previous general election results as benchmarks, which is also I think one of the better ways to represent these kinds of markets. 