The phrase "a stable lead" is correct and usable in written English.
It can be used in contexts where you are discussing a consistent or reliable advantage or position, often in business or competitive scenarios.
Example: "The team maintained a stable lead throughout the race, ensuring their victory."
Alternatives: "a consistent advantage" or "a solid position".
The Tories will have gambled that, more than anything, voters want straight talking from those who would govern them, and with a stable lead over Labour of ten points or more, they can afford to risk being a little less popular.
The single best fit to the spectra of the air and soil samples is the spectrum of Pb-humate, a stable lead complex with humic acids, associated with the organic fraction of contaminated soils.
The Authority later expanded into a stable led by Triple H and McMahon.
Hennig and Madusa joined the Diamond Exchange, a stable led by Diamond Dallas Page that included Badd Company.
Weeks later, she became the first member of The Gathering, a stable led by Raven in his feud against NWA World Heavyweight Champion Jeff Jarrett.
The passage beyond the main gate, which formerly housed a stable, leads to the front lawn of the palace, which was used by the musical band during festivities in the reign of Yabgo Rajas.
These results together with a relatively stable lead content within a compartment, but changing for different compartments and colours, indicate that the manufacture of the differently coloured flakes was on purpose and not using cullet of glass waste.
Further optimization resulted in a structurally more stable lead compound 24 with a submicromolar EC50 against BVDV, Dengue, and Tacaribe; and low cytotoxicity.
But after finishing a distant third in a presidential election in 2006, opinion polls now give it a slim but stable lead over the conservative National Action Party PANN) of President Felipe Calderón.
Polls suggest that Clinton is holding onto a modest but stable lead here, somewhere in the low-to-mid single digits.
Indeed, during the 2012 campaign, Obama held a relatively small but stable lead over Romney in state and national polls for months.
